Abstract: A lock assembly comprises a stator, a rotor pivoting in a bore in the stator and a plurality of stator piston/rotor piston pairings which are resiliently urged towards a key channel provided axially in the said rotor for receiving a coded key slidable in said channel and having flats each of which cooperates with one of the said pairings in order to displace the latter against the action of the said resilient means so that the generatrix of separation between each rotor piston and each stator piston of one pairing is at a tangent to the said rotor. The pairs of stator pistons and rotor pistons and their resilient restoring means are preassembled each in a radial bore in the stator. The radial bores are distributed angularly about the axis of the lock in at least one diametrical plane and are closed at their inner end by an abutment which is moved aside during insertion of the rotor.

Abstract: There is disclosed a secured door knob and escutcheon assembly, wherein the assembly is protected against tampering and unauthorized removal from either side of a door, when said door is in the closed position. The assembly includes a knob arrangement having mounting means which includes a bearing sleeve that is threadably engaged with a mounting plate affixed to the door. Rotation of said bearing sleeve is precluded by an apertured escutcheon plate through which said bearing sleeve is engaged. The bearing sleeve and escutcheon aperture have complementary flats or non-round surfaces such that when the escutcheon is in place rotation of the bearing sleeve is precluded. Further, the escutcheon plate is held in place by holding means that can only be released when the door is opened. In the disclosed embodiment the holding means is a key cylinder engaged through a second aperture in the escutcheon plate and fixed in place by a set screw mounted in the edge face of the door.

Abstract: An improved lock cylinder assembly is mountable in a lock case and includes a lock body having an exterior side wall. The lock cylinder assembly is mountable in the lock case and fixable in a selected position therein by a rotation-blocking side setscrew, and a cylinder-anchoring hidden setscrew. The lock body is formed to include a cavity for the reception of an interchangeable lock core, at least one elongated channel having a longitudinal axis, the central including an opening in the exterior side wall for the reception of the side setscrew, and a bore having a longitudinal axis for the reception of a hidden setscrew. The bore extends between the lock body cavity and the exterior side wall to define an opening in the exterior side wall of the lock body. Each channel opening and the exterior bore opening are situated in circumferentially spaced-apart relation on the exterior side wall of the lock body.

Abstract: A cylinder operated deadbolt lock in which a solid housing is provided with bores and apertures only to accommodate the lock components, such as the lock cylinder, the lock bolt, and the bolt moving mechanism. The lock bolt is provided with a rack and extends into the housing where it is thrown and withdrawn by a pinion mechanism.

Abstract: A cylinder lock is mounted in an aperture in a panel by means of a retaining ring which has resilient teeth to grip a part of the lock housing which protrudes from the panel. A further ring defining a non-circular aperture is provided in the opening of the panel to co-operate with flats on the lock housing and prevent rotation of the housing in the panel. The lock comprises a main body portion and a hollow spigot projecting from the main body portion and a key receiving member disposed in the spigot wherein the spigot defines an opening at an open end of the spigot remote from the main body portion. The key receiving member defines a key slot which is adjacent the open end of the spigot. The main body portion overlaps a marginal portion of the panel adjacent the panel opening defined thereby and the spigot extends through the aperture from the main body portion and projects from the panel at a second side thereof.

Abstract: A deadbolt lock is adaptable for installation in doors of various thicknesses. The lock body and interior rosette are established at a fixed position with respect to the interior surface of the door in which the lock is mounted. A cylindrical threaded coupler is threaded to an extension of the exterior keyway-carrying rosette of the lock and the coupling between the threaded cylinder and the threaded extension of the rosette are adjusted in accordance with the thickness of the door to which the lock is installed. The interior threaded coupling cylinder is then inserted within the bore of the lock, the mounting being achieved without interference with the deadbolt throw/retract mechanism interior of the lock body.

Abstract: An improved door latch of the type having a handle movable to latch and unlatch the door. A lock is disposed in the handle and is movable to a locked position wherein the lock extends from the handle to engage the door preventing movement of the handle. A bolt extends from the side of the lock to maintain the lock in the locked position, the bolt being retracted by insertion and rotation of a key in the lock. The lock is also movable to an unlocked position wherein the lock is withdrawn from the door to permit movement of the handle. The improvement concerns a chamber having a partition which defines a first pocket to receive the extended bolt and maintain the lock in the locked position. The partition also defines a second pocket to receive the extended bolt when the lock is in the unlocked position. To move the lock between the unlocked and locked position the key must be inserted to retract the bolt clear of the partition.

Abstract: The invention relates to a rotatable connection device for a driving part (1) to a driven part (2), wherein the driven part has a rotational play relative to the driving part. The driving part (1) exhibits at least two axial elastic dogs (3, 4) which end in radial teeth (5, 6) and cooperate with circular arcuate slots (8, 9) in the driven part (2), which exhibit enlarged regions (11, 13) for the passage of the radial teeth (5, 6), and with a securing part (14). This securing part (14) is provided with holes (15, 16) to receive the elastic dogs (3, 4), and a bendable strap (17, 18), which is present at each hole (15, 16), after being bent behind the dogs (3, 4), comes into abutment opposite the teeth (5, 6) at their ends. Any accidental disassembly is prevented by this means.

Abstract: In an attachment fitting for cylinder locks (3, 3') the heads (4a) of a plurality of screws (4) are seated in a widened hole portion (5a) in the lock. A plugging or latching element (6) is arranged to co-act with a sealing pin (7) in a manner such that when the plug (3a) of the cylinder lock (3) is turned to a given position by means of a key, the sealing pin (7) moves inwardly in a peripheral hole (9) arranged in the plug, against the action of a spring (10). This enables the plugging or latching element (6) to be removed. Because of the presence of the plugging or latching element (6), however, the screw heads (4a) cannot be reached in order to loosen the screws by persons not having the correct key to the cylinder lock. The screws connect the cylinder lock (3) to a further cylinder lock (3') on the other side of the door.

Abstract: A locking device for securing a bicycle or the like to a post or other fixture. The locking device features a replaceable lock cylinder, which in turn allows for both replacing merely the lock cylinder when the keys get lost and also allows for conforming the lock cylinder of the device to an identical lock cylinder used in the owner's home so that one key, preferably a flat key, services both the device and the home. The lock cylinder cannot, however, be removed when the device is locked and in use. The key, on the other hand, can only be removed when the device is locked.

Abstract: A security lock box includes a receptacle having an access opening and a hinged door. A vertical door edge adjacent th hinge is provided with an edge return which engages an inwardly curved lip along the receptacle opening for preventing entry through removal of a hinge pin. The door additionally has flanges extending transversely along top and bottom edges. The flanges are adapted for cooperative interfitting within confronting guard recesses along the margin of the receptacle opening. A locking mechanism having a pair of selectively slidably locking bars is positioned within the access opening. The locking bars are extendable through slots within the door flanges for securing the door in a locked mode. The locking mechanism is activated by a cylinder lock mounted in the door. The cylinder lock includes a cylindrical housing for accommodating a removable key plug and operating key adapted for interchangeable applications within a plurality of similar lock cylinders.

Abstract: A device for keeping a door, a window, a shutter, etc., in a closed position. The device comprises operating elements housed in a casing attachable to a bar. The operating elements are connected to an element maneuvering at least one bolt.A lock part of the device is formed as an insert of a predetermined dimension having a lock of an optional lock type therein and arranged for being inserted directly into the housing within a space of a corresponding dimension.

Abstract: A lock cylinder attaching device is of the type for use in a vehicle movable closure lock and comprises a support for attaching an inner end of a lock cylinder to a vehicle body member in addition to means for attaching the outer end of the lock cylinder to the vehicle body member.

Abstract: A lock assembly including a novel retaining strap for securing a lock cylinder within the assembly. The lock assembly is designed so that one of two different degrees of bolt extension can be chosen during assembly of the device. In addition the assembly incorporates a dowel pin to increase the strength of the joint between the lock bolt and a lock bolt extension connected to the lockbolt.

Abstract: An improved lock mechanism whereby the raised element, or rosette, provided exteriorly for defining the keyway and providing secured access thereto is coupled to the lock body by mechanical means utilizing rigid interference fit lock mechanisms. Latch pins are emplaced within tapered latch recesses and the latch pins coupled one to another. A locking pin is driven into interference relationship with at least one of the latching pins to bar its movement within the latching recess and, thus, due to the fact that all latching pins are coupled one to another, an extremely strong coupling of the rosette to the lock body results.

Abstract: A safe deposit-type lock assembly having a fabricated metal cover plate and interchangeable lock noses or insert guides to provide the desired combination of big and little noses. The noses are cast metal provided with a universal size base having locking elements for engaging the cover plate. The locking elements include bayonet-type wings engaging the top surface of the cover plate and locking wedges engaging beneath resilient retainer arms stamped from the cover plate. A locking detent is provided between the retainer arms and the mating locking wedges. The safe deposit door is positioned flush on top of the retainer arms and wings to assure engagement of the detent once the lock is positioned on the back of the door. The heads of the lock plugs are received in the noses providing the desired match for previously installed boxes.

Abstract: A steering lock assembly for use in an automobile comprises a cylinder lock for controlling an ignition switch assembly with a mating key inserted in the cylinder lock and a steering shaft lock operatively associated with the cylinder lock for selectively locking and unlocking an automobile steering shaft. The cylinder lock comprises a key-operated barrel and the steering shaft lock comprises a locking member. A retaining mechanism is also provided for temporarily holding the locking member in an unlocked position unless the key inserted in the barrel is withdrawn and comprises a locking link. This locking link is operatively accommodated in an elongated chamber in a lock housing and can be held in position inside the elongated chamber by inserting it in an axial direction of the barrel.

Abstract: An antitheft device for the steering shaft of a motor vehicle is provided and has a resiliently urged locking or keying member (30) carried by an inner, non-rotatable tubular body (12). The locking or keying member (30) is deflected (32) in one direction to permit assembly of the inner tubular body (12) in an outer housing (10) of the device. The locking or keying member (30) is resiliently urged (32) into seating relationship in a radial opening (26) in the housing (10) when the inner tubular body (12) is in proper position in the housing (10). The locking or keying member (30) is deflected (32) in another direction to permit assembly of a cylinder lock (14) in said tubular body (12). The locking or keying member (30) is resiliently urged (32) into seating relationship in an aligned radial opening (28) in the cylinder lock (14) when the cylinder lock (14) is properly positioned in said inner tubular body (12).

Abstract: An anti-theft device for a motor vehicle comprises a locking bolt movable into a locking position to secure a steering column, and a cylinder lock actuated driving plate movable in a direction transverse to the direction of movement of the locking bolt. The driving plate is provided with an inclined slot which drivably engages a pin attached to the locking bolt. The end of the slot is provided with a cut-out portion forming a surface against which the pin engages if the locking bolt is moved in an unauthorized manner. Furthermore, the surface of the cut-away portion is so shaped that the driving plate is urged to remain in its locking position. For authorized unlocking, movement of the driving plate by means of the cylinder lock opposite to its locking position causes the slot to drive the locking bolt into an unlocked position.

Abstract: An automobile door assembly having a door locking device wherein the door locking device can be installed only from the outside of the door outer panel.

Abstract: A latch, as for a door, having a handle movable to latch and unlatch the door and a removable lock located within the handle. The lock is provided with a stop engaging finger on its end and a retractable bolt on its side. The lock receptacle in the handle has a plurality of bolt engaging surfaces therein which hold the lock in the handle in a locked position wherein the finger engages the stop to prevent movement of the handle, hold the lock in the handle in an unlocked position in which the finger does not engage the stop, and provide a means whereby the bolt may be completely retracted for lock removal.

Abstract: A plug assembly for a fuel filler neck includes a subassembly of a cap and latch which may be inserted in the end of a fuel filler neck without the lock assembly. Subsequent to the subassembly being installed in the fuel filler neck the lock assembly may be inserted and secured in a nonremovable fashion relative thereto rendering the fuel filler cap lockable and operable.

Abstract: The invention relates to a cylindrical lock of the type comprising a barrel journalling in the bore of a body.In the lock to which the invention relates, the peripheral surface of the barrel and the surface of the bore in the body comprise an assembly consisting of an elastic longitudinal tongue and a shoulder which are respectively integral with the said two surfaces and which are arranged in such a manner that the said elastic tongue interacts with the said shoulder to lock the barrel so that it cannot move longitudinally in relation to the body.Application to the car industry.

Abstract: A lever type door handle assembly adapted to be mounted on a conventional lock spindle which may or may not include a lock tumbler cylinder. The assembly comprises a handle and three inexpensively made parts which may be assembled on a lock spindle to form a rigid unit without the use of pins or screws.

Abstract: A key operated dead bolt lock includes one or a pair of standard threaded mortise cylinders. The lock further includes set screws, inaccessible from either side of a door in which the lock is installed, which prevent rotation of the cylinders. The cylinders hold cylinder collars in place to prevent access to the bolt from the side.

Abstract: A lock unit or assembly for mounting on an aperture in a panel of a motor vehicle consists of a housing and a retaining sleeve which are held against relative rotation. The housing and sleeve are fitted together into the aperture and are then rotated to bring a projecting lug on the sleeve into a retaining position whereupon relative axial movement is effected between the housing and sleeve to effect resilient interengagement between cooperating formations on the housing and sleeve to hold the sleeve and housing against movement relative to each other or to the panel.

Abstract: A patio door or sliding window security bar which is of the type that is normally stored parallel to a frame member of the opening and movable to a horizontal position braced against the sliding panel frame or jamb so that the sliding panel cannot be moved to give access through the opening. A bolt is fully contained within the hollow bar end and capable of being reciprocated through the medium of a barrel or cylinder that is installed into the lateral wall of the bar to enable the bolt to be moved into a socket formed in the sliding panel frame to lock the bar against being swung upward or downward. A locking arrangement including a keyway enables the bar to be locked in horizontal position by means of a removable key to prevent unauthorized opening of the patio door even from the interior of the building having the opening.

Abstract: A high security lock has a protective shell with a hole in it. A lock body is held within the shell by an end plate having a loop around the body. A plug having an end flange is rotatable in the body and is pierced by a keyway defining an edge notch in the end flange. A guard plate is disposed in the hole and over the end of the plug and is arranged to rotate in the shell with the plug by a tab disposed in the edge notch so that a restricted opening through the guard plate is kept in alignment with the keyway.

Abstract: A locking device for a pair of skis is actuable with one hand and includes a first and second attachment mountable on respective skis. A key operated first attachment includes an actuating means having an end which is positionable flush with the underside of its ski in a retracted position and is projectible, as the key is inserted, substantially beyond the underside of its ski in an extended position. The projectible portion includes a head which is part of a lock bolt and it is sized to be received through an orifice on the end of a shank portion of the second attachment. One lock surface is formed on the inward end of the lock bolt head and a second lock surface is provided inward of the orifice on the mounting bolt shank of the second attachment. Rotation of the key causes a mating of the locking surfaces which locks the first and second attachments so that the skis are secured together.

Abstract: A door knob is machined from solid stock to provide a tubular neck, an intermediate portion which is internally recessed to reduce its wall thickness, and a solid-section end portion having a large axial end opening which provides tool access for recessing the mid-portion and clears the pin tumbler lobe of a key-removable core mounted in the knob sleeve with its key plug concentric with the knob. The end opening has an axially-outward facing shoulder and an adjacent radially-inward opening groove. A knob locating, bevelled-edge ring lies against the shoulder with its edge partially closing the mouth of the groove. An end face member having a peripheral bevelled skirt is pressed into the end opening and against the edge of the ring so as to deform the skirt outward into the groove and thereby secure both the end face member and the ring in the knob. The end face member may have an opening for a core mounted in the knob sleeve, or for other usual knob accessories, or may completely close the end of the knob.

Abstract: A lock device comprises a cylindrical container securable by split clamps to the frame of a device, and is adapted to store a case-hardened chain. The container has "pass-and-catch" notches at one end for receiving penultimate links of the chain, when the chain is used to lock a device. The container is closed by a lockable cap, which closes the upper ends of the notches to anchor the chain ends. The entire accessible portion of the structure, including the clamps, the container, the cap, and the chain, is of case-hardened steel. The clamps are secured to the container by tamper proof fastening elements. A preferred embodiment includes a container and a lockable cap having splining tongs formed from the rim portion thereof, and has clamps secured to a bicycle post by tamper proof bolts. The rim of the container is bent over at opposite sides to form keeper portions under which ends of a lock-controlled latching bar may be moved.

Abstract: A pin tumbler lock has a housing, a cylindrical key plug provided with a keyway rotatable in the housing, a shear line between the plug and the housing, pin tumbler bores with aligned parts respectively in the housing and the key plug and spring pressed outer and inner pin tumblers in each bore. In one of the bores is an extra frangible graphite tumbler of substantially the diameter of the other pin tumblers. When construction key is inserted in the keyway the graphite tumbler and the other pin tumblers meets at the shear line permitting the lock to unlock. When construction is finished a conversion key is inserted in the keyway and the graphite tumbler is shifted to a position crossing the shear line whereupon the graphite tumbler is shattered by rotation of the key plug. Thereafter the lock can not be unlocked by the construction key but can be unlocked by the householder's key.

Abstract: A lock cylinder housing assembly is received in a through bore of a door and coupled therein without the use of external or internal machine screws. A coacting dead bolt assembly in a bore formed in the door at right angles to the through bore bridges the through bore and extends through a transverse passage of the housing assembly to prevent rotation of the assembly or disassembling thereof from the exterior or interior of the door. A catch release mechanism on the dead bolt assembly is accessible only when the door is open to allow releasing of the catch means which allows removal and disassembly of the housing assembly at the inner side of the door.

Abstract: A cylinder lock mechanism of conventional type, comprising a fixed outer cylinder and an inner rotatable plug, to be mounted on a door frame, is protected by a hollow cylindrical steel casing which is fitted onto the outer cylinder of said lock mechanism. The cylindrical casing is partially closed in correspondence of the end of the cylinder lock mechanism presenting the keyhole for the insertion of the key, while it is open at the other end, which is the end directed towards the inside of the door. The outer cylinder of the cylinder lock mechanism and the protective casing are secured to the door frame independently from each other, and the outer cylinder can, if desired, rotate within the cavity of the protective casing. An additional protective disc provided with a slot for the insertion of the key into the keyhole is inserted between the front end of the cylinder lock mechanism and the internal side of the partially closed end of the casing.

Abstract: A locking mechanism for locking menbers, such as slidable or swingable closures, to another, usually stationary, member in closed position in which a bracket on the stationary member is engageable by a hook on the closure member to latch the members together while actuation of the hook into a position of disengagement from the bracket to unlock the members from each other is accomplished by a key operated push lock mechanism.

Abstract: In a door lock assembly, a lock cylinder is releasably fastened within a lock cylinder housing by means of a catch affixed to the lock cylinder and operatively associated with a structure, such as a lock bolt assembly, within the lock cylinder housing. The catch is released by means of an actuating pin passing from the side edge of the door into the lock cylinder housing for disengaging the catch and allowing the lock cylinder to be removed from its housing. The pin, in a preferred embodiment, is carried within the lock bolt.

Abstract: A heavy duty cylindrical lock set adaptable for various "functions" and having improved features, especially to permit a key-removable lock core to be reversible in its knob mounting to suit right- and left-hand doors. A knob sleeve of large diameter is slotted and shaped at its knob receiving end to form two diametrically-opposed channel sections of high strength and rigidity. The inward edges of the four channel side legs form a mounting seat to receive the key-plug-containing body of the core on the axis of the knob, while the two spaces between the channel sections permit the pin-tumbler lobe or section of the core to extend radially in either of two orientations about the axis of the knob. Two of the channel side edges are notched to engage a key-controlled retaining lug of the core. The knob has a large bore in its outer end and is supported from the knob sleeve by a drive ring which accomodates the core in both orientations. A face plate is held in the knob bore by the core and closes the knob bore.

Abstract: In a door bolt lock a tubular housing extends through a bore in the door near the edge thereof for housing at least one lock cylinder assembly coupled in mechanical operative association with a lock bolt assembly passing from the edge of the door into the tubular housing via an intersecting bore in the door. The tubular housing includes first and second axially separable coaxially aligned portions having flanges on their outer ends for capturing the door therebetween. The first and second tubular housing portions are threadably coupled together either directly or via a threaded insert, whereby the length of the housing is adjustable for accommodating doors of various thicknesses and whereby the two halves of the lock cylinder housing are coupled together by means of a relatively strong threaded tubular structure to make it more difficult to break apart the two halves of the housing.

Abstract: An espagnolette lock having an actuating nut which is rotatably supported in a lock box and in a lock box cover, which includes a rectangular through-aperture for receiving a rectangular arbor, and a slot formed in one side of the nut body of the nut for receiving the key bit of a cipher key. A sleeve is fastened to the lock box cover, which is adapted to extend into a circular aperture formed in the door or the like, and in which the sleeve is provided with guide slots and/or projections for receiving and securely fastening different types of actuating members or fittings for the lock, and their respective guide and covering sleeves.